Features: Supports 6CH PWM, 18CH I. BUS, and 8CH PPM signal output. Suitable for transmitters such as FSi10, FSi8, FSi6, FSi6s, FSi6x, FSi4, FSi4x, etc., easy to use. Adopts AFHDS 2A protocol and noise cancelling double omnidirectional antenna. Supports bidirectional transmission and can detect the battery voltages of drones. Stable and reliable signal transmission ensures flight safety. Specifications: Material: PCB+ABS Receiver Size: about 36x22x7.5mm/1.41x0.86x0.29inch Model: FS-X6B PWM Channels: 6CH Frequency: 2.4Ghz Mode: AFHDS 2A Range: 500~1500m (in the air) Input Voltages: 4-8.4V RSSI: Support Data Interface: PWM/PPM/I.BUS/S.BUS Temperature range: -10~+60 Humidity range: 20%~95% Suitable for: 130, 210, 250 wheelbases FPVs Drones Quadcopters Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1x FS-X6B Receiver 2x Antenna 4x Cable